My knowledge on this subject is very limited but im wondering if this idea holds water at all. Could anything be done along the lines of faking an ota update? Why could someone not break open an ota update, say an older version that is rootable, change what ever would be needed to make the tablet think its a newer version than whats installed. Then using like on my linux box changing the hosts file so that when the tablet goes what it thinks is "out" it gets sent to a local computer and finds the modified update, boom I get back to a rootable version. I know its probably not that simple but what do others think?